Turn on oven to 400°. In a small bowl, whisk together, olive oil, lemon juice and cumin seeds. Place vegetables in a medium bowl, add cumin mixture and toss vegetables until vegetables are well coated.
Spread vegetables in an oven proof baker or on a baking sheet with parchment paper, add salt and bake for 40-45 minutes. Toss vegetables occasionally.
In the meantime, in a small bowl add greek yogurt, apple cider vinegar, curry powder, honey, salt and whisk well. Add ground paprika and mint leaves as garnish and set it aside.
When vegetables are done roasting, transfer them to a serving platter or to individual plates. Add mint leaves as garnish and serve with yogurt curry sauce.